28233-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28233-08-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,3 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28233-08:
(7*2)+(6*8)+(5*2)+(4*3)+(3*3)+(2*0)+(1*8)=101
101 % 10 = 1
So 28233-08-1 is a valid CAS Registry Number.